AU2597488A - Hydraulic jack - Google Patents
Hydraulic jackInfo
- Publication number
- AU2597488A AU2597488A AU25974/88A AU2597488A AU2597488A AU 2597488 A AU2597488 A AU 2597488A AU 25974/88 A AU25974/88 A AU 25974/88A AU 2597488 A AU2597488 A AU 2597488A AU 2597488 A AU2597488 A AU 2597488A
- Authority
- AU
- Australia
- Prior art keywords
- hydraulic jack
- jack
- hydraulic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F1/00—Devices, e.g. jacks, for lifting loads in predetermined steps
- B66F1/02—Devices, e.g. jacks, for lifting loads in predetermined steps with locking elements, e.g. washers, co-operating with posts
- B66F1/04—Devices, e.g. jacks, for lifting loads in predetermined steps with locking elements, e.g. washers, co-operating with posts the posts being toothed
- B66F1/08—Devices, e.g. jacks, for lifting loads in predetermined steps with locking elements, e.g. washers, co-operating with posts the posts being toothed and the devices being operated by fluid pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/36—Special sealings, including sealings or guides for piston-rods
- F16F9/362—Combination of sealing and guide arrangements for piston rods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/028—Safety devices separate from control system in case of power failure, for hydraulical lifts, e.g. braking the hydraulic jack
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/58—Stroke limiting stops, e.g. arranged on the piston rod outside the cylinder
- F16F9/585—Stroke limiting stops, e.g. arranged on the piston rod outside the cylinder within the cylinder, in contact with working fluid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/002—Sealings comprising at least two sealings in succession
- F16J15/004—Sealings comprising at least two sealings in succession forming of recuperation chamber for the leaking fluid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
- F16J15/3216—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip supported in a direction parallel to the surfaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/56—Other sealings for reciprocating rods
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Structural Engineering (AREA)
- Sealing Devices (AREA)
- Types And Forms Of Lifts (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US140171 | 1980-04-14 | ||
US07/140,171 US4867460A (en) | 1987-12-31 | 1987-12-31 | Hydraulic jack seal assembly |
Publications (2)
Publication Number | Publication Date |
---|---|
AU2597488A true AU2597488A (en) | 1989-07-06 |
AU609219B2 AU609219B2 (en) | 1991-04-26 |
Family
ID=22490048
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU25974/88A Ceased AU609219B2 (en) | 1987-12-31 | 1988-11-29 | Hydraulic jack |
Country Status (3)
Country | Link |
---|---|
US (1) | US4867460A (en) |
KR (1) | KR890009753A (en) |
AU (1) | AU609219B2 (en) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH045806Y2 (en) * | 1988-07-15 | 1992-02-18 | ||
GB2231104B (en) * | 1989-03-11 | 1993-08-25 | Dowty Seals Ltd | Seal for a hydraulic ram |
US5163692A (en) * | 1989-07-24 | 1992-11-17 | Furon Company | One-piece composite lip seal |
US5303934A (en) * | 1991-02-20 | 1994-04-19 | General Electric Company | Fluidic actuator scraper seal |
CA2076912C (en) * | 1991-08-28 | 1999-05-04 | Jerry F. Carlin | Hydraulic cylinder and improved wear ring assembly for use therein |
JPH06247281A (en) * | 1993-02-26 | 1994-09-06 | Nissin Kogyo Kk | Master cylinder |
US6322059B1 (en) * | 1998-07-23 | 2001-11-27 | Barnes Group Inc. | Low contact force spring |
US7021633B2 (en) * | 2001-09-11 | 2006-04-04 | Gorman Company, Inc. | Low friction fluid seal device with additive to rubber compound |
DE10317174A1 (en) * | 2003-04-15 | 2004-11-04 | Suspa Holding Gmbh | Adjustable gas spring |
US8100407B2 (en) * | 2004-03-11 | 2012-01-24 | Stanton Eddie N | Packing cartridges and pressure-dampening elements for plunger-type pumps |
US20070080501A1 (en) * | 2005-09-16 | 2007-04-12 | Bal Seal Engineering Co., Inc. | Pressure gradient rotary sealing system |
WO2007066630A1 (en) * | 2005-12-06 | 2007-06-14 | Nok Corporation | Rod sealing system |
US20080067754A1 (en) * | 2006-09-14 | 2008-03-20 | John Schroeder | Pressure gradient rotary sealing system with external piston |
CN101627239A (en) * | 2007-03-06 | 2010-01-13 | 先进真空公司 | The seal cartridge that is used for vacuum pump |
US8679230B2 (en) | 2008-12-19 | 2014-03-25 | Michael L. Strickland | Reducing emissions of VOCs from low-pressure storage tanks |
CN102601726B (en) * | 2011-12-13 | 2016-08-24 | 长春航空液压控制有限公司 | A kind of grinding rod and the manufacture method of high-accuracy aeroseal circle |
CN103016579A (en) * | 2012-12-31 | 2013-04-03 | 焦作市大华能源机械有限公司 | Combined sealing plate type brake for hydraulic cylinder |
CN104048059B (en) * | 2013-03-14 | 2018-09-18 | 费希尔控制国际公司 | Composite power valve seal assembly for high-temperature control valve |
CN106218809A (en) * | 2016-08-09 | 2016-12-14 | 中船桂江造船有限公司 | Propeller for vessels and stern tube shaft scrape method of completing the square |
US11253963B1 (en) | 2020-08-17 | 2022-02-22 | Raytheon Company | Separable component assembly having reduced seal stiction |
CN112833187B (en) * | 2020-12-10 | 2023-04-25 | 上海唯万密封科技股份有限公司 | High temperature resistant type piston rod sealing system of middle-high end excavator |
CN113339443A (en) * | 2021-06-10 | 2021-09-03 | 青岛睿智森油封有限公司 | Assembly method of oil seal guider assembly |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US963645A (en) * | 1909-10-01 | 1910-07-05 | John S Pendleton | Packing for piston-rods. |
US1690037A (en) * | 1925-06-01 | 1928-10-30 | Oil Jack Inc | Fluid-actuated jack |
US2690939A (en) * | 1950-12-20 | 1954-10-05 | Westinghouse Air Brake Co | Fluid pressure cylinder |
US3424427A (en) * | 1966-12-06 | 1969-01-28 | Erich Herion | Fluid-pressure valve |
US3738665A (en) * | 1972-01-03 | 1973-06-12 | Raymond Corp | Hydraulic seals |
US4041845A (en) * | 1975-11-20 | 1977-08-16 | Westinghouse Electric Corporation | Hydraulic elevator apparatus |
US4174846A (en) * | 1977-03-15 | 1979-11-20 | Parker-Hannifin Corporation | Sealing ring |
ZA796406B (en) * | 1978-11-28 | 1980-11-26 | Fletcher Sutcliffe Wild Ltd | Hydraulic pump |
US4328972A (en) * | 1980-12-10 | 1982-05-11 | Parker-Hannifin Corporation | Seal ring and method of manufacture |
US4357995A (en) * | 1980-12-22 | 1982-11-09 | Westinghouse Electric Corp. | Hydraulic system including oil replenishment for multi-stage hydraulic jack |
US4630636A (en) * | 1983-11-16 | 1986-12-23 | Baker Cac | Actuator with nonelastomeric seal |
-
1987
- 1987-12-31 US US07/140,171 patent/US4867460A/en not_active Expired - Fee Related
-
1988
- 1988-11-29 AU AU25974/88A patent/AU609219B2/en not_active Ceased
- 1988-12-31 KR KR1019880018245A patent/KR890009753A/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
AU609219B2 (en) | 1991-04-26 |
KR890009753A (en) | 1989-08-03 |
US4867460A (en) | 1989-09-19 |
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